openjpeg/src/bin/fltk/flviewer/color.cxx

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#include <config.h>
/*
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include "openjpeg.h"
#include "opj_apps_config.h"
#ifdef OPJ_HAVE_LIBLCMS2
#include <lcms2.h>
#endif
#ifdef OPJ_HAVE_LIBLCMS1
#include <lcms.h>
#endif
#include "viewerdefs.hh"
#include "color.hh"
//#define DEBUG_SYCC
/*--------------------------------------------------------
Matrix f<>r sYCC, Amendment 1 to IEC 61966-2-1
Y : 0.299 0.587 0.114 :R
Cb: -0.1687 -0.3312 0.5 :G
Cr: 0.5 -0.4187 -0.0812 :B
Inverse:
R: 1 -3.68213e-05 1.40199 :Y
G: 1.00003 -0.344125 -0.714128 :Cb - 2^(prec - 1)
B: 0.999823 1.77204 -8.04142e-06 :Cr - 2^(prec - 1)
-----------------------------------------------------------*/
static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr,
int *out_r, int *out_g, int *out_b)
{
int r, g, b;
cb -= offset; cr -= offset;
r = y + (int)((float)1.402 * (float)cr);
if(r < 0) r = 0; else if(r > upb) r = upb;
*out_r = r;
g = y - (int)((float)0.344 * (float)cb + (float)0.714 * (float)cr);
if(g < 0) g = 0; else if(g > upb) g = upb;
*out_g = g;
b = y + (int)((float)1.772 * (float)cb);
if(b < 0) b = 0; else if(b > upb) b = upb;
*out_b = b;
}
static void sycc444_to_rgb(opj_image_t *image, ImageInfo *dst)
{
int *r, *g, *b;
const int *y, *cb, *cr;
int maxw, maxh, max, i, offset, upb;
size_t imax;
i = image->comps[0].prec;
offset = 1<<(i - 1); upb = (1<<i)-1;
maxw = image->comps[0].w; maxh = image->comps[0].h;
max = maxw * maxh;
imax = max * sizeof(int);
r = (int*)malloc(imax);
g = (int*)malloc(imax);
b = (int*)malloc(imax);
if(r == NULL || g == NULL || b == NULL)
{
goto fails;
}
dst->red = r;
dst->green = g;
dst->blue = b;
y = image->comps[0].data;
cb = image->comps[1].data;
cr = image->comps[2].data;
for(i = 0; i < max; ++i)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++cb; ++cr; ++r; ++g; ++b;
}
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3;
dst->color_space = OPJ_CLRSPC_SRGB;
dst->dx[1] = dst->dx[0];
dst->dx[2] = dst->dx[0];
dst->dy[1] = dst->dy[0];
dst->dy[2] = dst->dy[0];
dst->prec[1] = dst->prec[0];
dst->prec[2] = dst->prec[0];
return;
fails:
if(r) free(r);
if(g) free(g);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
}// sycc444_to_rgb()
static void sycc422_to_rgb(opj_image_t *image, ImageInfo *dst)
{
int *r, *g, *b;
const int *y, *cb, *cr;
int maxw, maxh, max, offset, upb;
int i, j;
size_t imax;
i = image->comps[0].prec;
offset = 1<<(i - 1); upb = (1<<i)-1;
maxw = image->comps[0].w;
maxh = image->comps[0].h;
max = maxw * maxh;
imax = max *sizeof(int);
r = (int*)malloc(imax);
g = (int*)malloc(imax);
b = (int*)malloc(imax);
if(r == NULL || g == NULL || b == NULL)
{
goto fails;
}
dst->red = r;
dst->green = g;
dst->blue = b;
y = image->comps[0].data;
cb = image->comps[1].data;
cr = image->comps[2].data;
for(i = 0; i < maxh; ++i)
{
for(j = 0; j < (maxw & ~1); j += 2)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b;
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b; ++cb; ++cr;
}
if(j < maxw)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
++y; ++r; ++g; ++b; ++cb; ++cr;
}
}
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->color_space = OPJ_CLRSPC_SRGB;
dst->numcomps = 3;
dst->dx[1] = dst->dx[0];
dst->dx[2] = dst->dx[0];
dst->dy[1] = dst->dy[0];
dst->dy[2] = dst->dy[0];
dst->prec[1] = dst->prec[0];
dst->prec[2] = dst->prec[0];
image->color_space = OPJ_CLRSPC_SRGB;
image->comps[1].w = maxw; image->comps[1].h = maxh;
image->comps[2].w = maxw; image->comps[2].h = maxh;
image->comps[1].dx = image->comps[0].dx;
image->comps[2].dx = image->comps[0].dx;
image->comps[1].dy = image->comps[0].dy;
image->comps[2].dy = image->comps[0].dy;
return;
fails:
if(r) free(r);
if(g) free(g);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
}// sycc422_to_rgb()
static void sycc420_to_rgb(opj_image_t *image, ImageInfo *dst)
{
int *R, *G, *B, *nr, *ng, *nb;
const int *y, *cb, *cr, *ny;
int maxw, maxh, max, offset, upb;
int i, j;
size_t imax;
i = image->comps[0].prec;
offset = 1<<(i - 1); upb = (1<<i)-1;
maxw = image->comps[0].w; maxh = image->comps[0].h;
max = maxw * maxh;
imax = sizeof(int) * max;
R = (int*)malloc(imax);
G = (int*)malloc(imax);
B = (int*)malloc(imax);
if(R == NULL || G == NULL || B == NULL)
{
goto fails;
}
dst->red = R;
dst->green = G;
dst->blue = B;
y = image->comps[0].data;
cb = image->comps[1].data;
cr = image->comps[2].data;
for(i=0; i < (maxh & ~1); i += 2)
{
ny = y + maxw;
nr = R + maxw; ng = G + maxw; nb = B + maxw;
for(j=0; j < (maxw & ~1); j += 2)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
++y; ++R; ++G; ++B;
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
++y; ++R; ++G; ++B;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
}
if(j < maxw)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
++y; ++R; ++G; ++B;
sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
}
y += maxw; R += maxw; G += maxw; B += maxw;
}
if(i < maxh)
{
for(j = 0; j < (maxw & ~1); j += 2)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
++y; ++R; ++G; ++B;
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
++y; ++R; ++G; ++B; ++cb; ++cr;
}
if(j < maxw)
{
sycc_to_rgb(offset, upb, *y, *cb, *cr, R, G, B);
}
}
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3;
dst->color_space = OPJ_CLRSPC_SRGB;
dst->dx[1] = dst->dx[0];
dst->dx[2] = dst->dx[0];
dst->dy[1] = dst->dy[0];
dst->dy[2] = dst->dy[0];
dst->prec[1] = dst->prec[0];
dst->prec[2] = dst->prec[0];
image->color_space = OPJ_CLRSPC_SRGB;
image->comps[1].w = maxw; image->comps[1].h = maxh;
image->comps[2].w = maxw; image->comps[2].h = maxh;
image->comps[1].dx = image->comps[0].dx;
image->comps[2].dx = image->comps[0].dx;
image->comps[1].dy = image->comps[0].dy;
image->comps[2].dy = image->comps[0].dy;
return;
fails:
if(R) free(R);
if(G) free(G);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
}// sycc420_to_rgb()
void COLOR_sycc_to_rgb(opj_image_t *image, ImageInfo *dst)
{
if(image->numcomps < 3)
{
image->color_space = OPJ_CLRSPC_GRAY;
dst->color_space = OPJ_CLRSPC_GRAY;
dst->numcomps = image->numcomps;
return;
}
if((image->comps[0].dx == 1)
&& (image->comps[1].dx == 2)
&& (image->comps[2].dx == 2)
&& (image->comps[0].dy == 1)
&& (image->comps[1].dy == 2)
&& (image->comps[2].dy == 2))// horizontal and vertical sub-sample
{
sycc420_to_rgb(image, dst);
return;
}
if((image->comps[0].dx == 1)
&& (image->comps[1].dx == 2)
&& (image->comps[2].dx == 2)
&& (image->comps[0].dy == 1)
&& (image->comps[1].dy == 1)
&& (image->comps[2].dy == 1))// horizontal sub-sample only
{
sycc422_to_rgb(image, dst);
return;
}
if((image->comps[0].dx == 1)
&& (image->comps[1].dx == 1)
&& (image->comps[2].dx == 1)
&& (image->comps[0].dy == 1)
&& (image->comps[1].dy == 1)
&& (image->comps[2].dy == 1))// no sub-sample
{
sycc444_to_rgb(image, dst);
return;
}
if((image->comps[0].dx == 4)
&& (image->comps[1].dx == 4)
&& (image->comps[2].dx == 4)
&& (image->comps[0].dy == 4)
&& (image->comps[1].dy == 4)
&& (image->comps[2].dy == 4))
{
// OK
fprintf(stderr,"%s:%d:COLOR_sycc_to_rgb\n\tNO COVERSION\n",
__FILE__,__LINE__);
fprintf(stderr,"\tcomponents(%d) dx(%d,%d,%d) dy(%d,%d,%d)\n",
image->numcomps,
image->comps[0].dx,image->comps[1].dx,image->comps[2].dx,
image->comps[0].dy,image->comps[1].dy,image->comps[2].dy);
return;
}
fprintf(stderr,"%s:%d:COLOR_sycc_to_rgb\n\tCAN NOT CONVERT\n",
__FILE__,__LINE__);
fprintf(stderr,"\tcomponents(%d) dx(%d,%d,%d) dy(%d,%d,%d)\n",
image->numcomps,
image->comps[0].dx,image->comps[1].dx,image->comps[2].dx,
image->comps[0].dy,image->comps[1].dy,image->comps[2].dy);
}// COLOR_sycc_to_rgb()
#if defined(OPJ_HAVE_LIBLCMS2) || defined(OPJ_HAVE_LIBLCMS1)
#ifdef OPJ_HAVE_LIBLCMS1
// Bob Friesenhahn proposed:
//
#define cmsSigXYZData icSigXYZData
#define cmsSigLabData icSigLabData
#define cmsSigCmykData icSigCmykData
#define cmsSigYCbCrData icSigYCbCrData
#define cmsSigLuvData icSigLuvData
#define cmsSigGrayData icSigGrayData
#define cmsSigRgbData icSigRgbData
#define cmsUInt32Number DWORD
#define cmsUInt16Number WORD
#define cmsColorSpaceSignature icColorSpaceSignature
#define cmsGetHeaderRenderingIntent cmsTakeRenderingIntent
#endif // OPJ_HAVE_LIBLCMS1
//#define DEBUG_PROFILE
void COLOR_apply_icc_profile(opj_image_t *image, ImageInfo *dst)
{
cmsHPROFILE in_prof, out_prof;
cmsHTRANSFORM transform;
cmsColorSpaceSignature out_space;
cmsUInt32Number intent, in_type, out_type;
size_t nr_samples;
int *r, *g, *b;
unsigned int prec, i, max, max_w, max_h, dmax, has_alpha2 = 0, ok = 0;
OPJ_COLOR_SPACE oldspace;
#ifdef DEBUG_PROFILE
{
FILE *writer = fopen("debug.icm","wb");
fwrite(image->icc_profile_buf, 1, image->icc_profile_len, writer);
fclose(writer);
}
#endif
in_prof =
cmsOpenProfileFromMem(image->icc_profile_buf,
image->icc_profile_len);
if(in_prof == NULL) return ;
(void)cmsGetPCS(in_prof);
out_space = cmsGetColorSpace(in_prof);
intent = cmsGetHeaderRenderingIntent(in_prof);
prec = image->comps[0].prec;
oldspace = image->color_space;
if(out_space == cmsSigRgbData) // enumCS 16
{
if( prec <= 8 )
{
in_type = TYPE_RGB_8;
out_type = TYPE_RGB_8;
}
else
{
in_type = TYPE_RGB_16;
out_type = TYPE_RGB_16;
}
out_prof = cmsCreate_sRGBProfile();
image->color_space = OPJ_CLRSPC_SRGB;
}
else
if(out_space == cmsSigGrayData) // enumCS 17
{
if( prec <= 8 )
{
in_type = TYPE_GRAY_8;
out_type = TYPE_RGB_8;
}
else //prec > 8
{
in_type = TYPE_GRAY_16;
out_type = TYPE_RGB_16;
}
out_prof = cmsCreate_sRGBProfile();
image->color_space = OPJ_CLRSPC_SRGB;
}
else
if(out_space == cmsSigYCbCrData) // enumCS 18
{
fprintf(stderr,"\n%s:%d:\n\tout_space == cmsSigYCbCrData NOT HANDLED\n\n",
__FILE__,__LINE__);
cmsCloseProfile(in_prof);
return ;
#ifdef HIDDEN_CODE
in_type = TYPE_YCbCr_16;
out_type = TYPE_RGB_16;
out_prof = cmsCreate_sRGBProfile();
image->color_space = OPJ_CLRSPC_SRGB;
#endif //HIDDEN_CODE
}
else
{
cmsCloseProfile(in_prof);
return;
}
if(out_prof == NULL)
{
image->color_space = oldspace;
cmsCloseProfile(in_prof);
return;
}
transform = cmsCreateTransform(in_prof, in_type,
out_prof, out_type, intent, 0);
#ifdef OPJ_HAVE_LIBLCMS2
// Possible for: LCMS_VERSION >= 2000 :
cmsCloseProfile(in_prof);
cmsCloseProfile(out_prof);
#endif
if(transform == NULL)
{
image->color_space = oldspace;
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in_prof);
cmsCloseProfile(out_prof);
#endif
return ;
}
max_w = image->comps[0].w;
max_h = image->comps[0].h;
max = max_w * max_h;
dmax = max * sizeof(int);
if(image->numcomps > 2)// RGB, RGBA
{
if( prec <= 8 )
{
unsigned char *inbuf, *outbuf, *in, *out;
nr_samples =
(cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned char);
// max = max_w * max_h; dmax = max * sizeof(int);
in = inbuf = (unsigned char*)malloc(nr_samples);
out = outbuf = (unsigned char*)malloc(nr_samples);
r = (int*)malloc(dmax);
g = (int*)malloc(dmax);
b = (int*)malloc(dmax);
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
{
goto fails;
}
dst->red = r;
dst->green = g;
dst->blue = b;
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for(i = 0; i < max; ++i)
{
*in++ = (unsigned char)*r++;
*in++ = (unsigned char)*g++;
*in++ = (unsigned char)*b++;
}
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
r = dst->red;
g = dst->green;
b = dst->blue;
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3;
dst->color_space = OPJ_CLRSPC_SRGB;
for(i = 0; i < max; ++i)
{
*r++ = (int)*out++;
*g++ = (int)*out++;
*b++ = (int)*out++;
}
ok = 1;
fails:
if(inbuf) free(inbuf);
if(outbuf) free(outbuf);
if(ok == 0)
{
if(r) free(r);
if(g) free(g);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
}
}
else //prec > 8
{
unsigned short *inbuf, *outbuf, *in, *out;
nr_samples = max * 3 * sizeof(unsigned short);
// max = max_w * max_h; dmax = max * sizeof(int);
in = inbuf = (unsigned short*)malloc(nr_samples);
out = outbuf = (unsigned short*)malloc(nr_samples);
r = (int*)malloc(dmax);
g = (int*)malloc(dmax);
b = (int*)malloc(dmax);
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
{
goto fails1;
}
dst->red = r;
dst->green = g;
dst->blue = b;
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for(i = 0; i < max; ++i)
{
*in++ = (unsigned short)*r++;
*in++ = (unsigned short)*g++;
*in++ = (unsigned short)*b++;
}
cmsDoTransform(transform, inbuf, outbuf, max);
r = dst->red;
g = dst->green;
b = dst->blue;
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3;
dst->color_space = OPJ_CLRSPC_SRGB;
for(i = 0; i < max; ++i)
{
*r++ = (int)*out++;
*g++ = (int)*out++;
*b++ = (int)*out++;
}
ok = 1;
fails1:
if(inbuf) free(inbuf);
if(outbuf) free(outbuf);
if(ok == 0)
{
if(r) free(r);
if(g) free(g);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
}
}
}
else // image->numcomps <= 2 : GRAY -> RGB, GRAYA -> RGBA
{
has_alpha2 = (image->numcomps == 2);
if(prec <= 8)
{
unsigned char *in, *inbuf, *out, *outbuf;
nr_samples = max * 3 * sizeof(unsigned char);
// max = max_w * max_h; dmax = max * sizeof(int);
in = inbuf = (unsigned char*)malloc(nr_samples);
out = outbuf = (unsigned char*)malloc(nr_samples);
r = (int*)calloc((size_t)max, sizeof(int));
g = (int*)calloc((size_t)max, sizeof(int));
b = (int*)calloc((size_t)max, sizeof(int));
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
{
goto fails2;
}
dst->red = r;
dst->green = g;
dst->blue = b;
r = image->comps[0].data;
if(has_alpha2)
{
dst->alpha = image->comps[1].data;
dst->prec[3] = image->comps[1].prec;
dst->sgnd[3] = image->comps[1].sgnd;
dst->has_alpha = 1;
}
for(i = 0; i < max; ++i)
{
*in++ = (unsigned char)*r++;
}
cmsDoTransform(transform, inbuf, outbuf, max);
r = dst->red;
g = dst->green;
b = dst->blue;
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3 + has_alpha2;
dst->color_space = OPJ_CLRSPC_SRGB;
for(i = 0; i < max; ++i)
{
*r++ = (int)*out++;
*g++ = (int)*out++;
*b++ = (int)*out++;
}
ok = 1;
fails2:
if(inbuf) free(inbuf);
if(outbuf) free(outbuf);
if(ok == 0)
{
if(r) free(r);
if(g) free(g);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n",__LINE__);
}
}
else // prec > 8
{
unsigned short *inbuf, *outbuf, *in, *out;
nr_samples =
(cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned short);
// max = max_w * max_h; dmax = max * sizeof(int);
in = inbuf = (unsigned short*)malloc(nr_samples);
out = outbuf = (unsigned short*)malloc(nr_samples);
r = (int*)malloc(dmax);
g = (int*)malloc(dmax);
b = (int*)malloc(dmax);
if(inbuf == NULL || outbuf == NULL || r == NULL || g == NULL || b == NULL)
{
goto fails3;
}
dst->red = r;
dst->green = g;
dst->blue = b;
r = image->comps[0].data;
if(has_alpha2)
{
dst->alpha = image->comps[1].data;
dst->prec[3] = image->comps[1].prec;
dst->sgnd[3] = image->comps[1].sgnd;
dst->has_alpha = 1;
}
for(i = 0; i < max; ++i)
{
*in++ = (unsigned short)*r++;
}
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
r = dst->red;
g = dst->green;
b = dst->blue;
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3 + has_alpha2;
dst->color_space = OPJ_CLRSPC_SRGB;
for(i = 0; i < max; ++i)
{
*r++ = (int)*out++;
*g++ = (int)*out++;
*b++ = (int)*out++;
}
ok = 1;
fails3:
if(inbuf) free(inbuf);
if(outbuf) free(outbuf);
if(ok == 0)
{
if(r) free(r);
if(g) free(g);
fprintf(stderr,"color.c:%d:\n\tmemory out\n",__LINE__);
}
} //if(prec <= 8)
dst->dx[0] = image->comps[0].dx;
dst->dy[0] = image->comps[0].dy;
dst->prec[0] = image->comps[0].prec;
dst->sgnd[0] = image->comps[0].sgnd;
dst->dx[1] = image->comps[0].dx;
dst->dy[1] = image->comps[0].dy;
dst->prec[1] = image->comps[0].prec;
dst->sgnd[1] = image->comps[0].sgnd;
dst->dx[2] = image->comps[0].dx;
dst->dy[2] = image->comps[0].dy;
dst->prec[2] = image->comps[0].prec;
dst->sgnd[2] = image->comps[0].sgnd;
if(has_alpha2 == 0)
{
dst->dx[3] = image->comps[0].dx;
dst->dy[3] = image->comps[0].dy;
dst->prec[3] = image->comps[0].prec;
dst->sgnd[3] = image->comps[0].sgnd;
}
}// if(image->numcomps > 2)
cmsDeleteTransform(transform);
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in_prof);
cmsCloseProfile(out_prof);
#endif
}// COLOR_apply_icc_profile()
void COLOR_cielab_to_rgb(opj_image_t *image, ImageInfo *dst)
{
int *buf;
int ok, enumcs;
image->color_space = OPJ_CLRSPC_SRGB;
dst->color_space = OPJ_CLRSPC_SRGB;
if(dst->numcomps != 3)
{
fprintf(stderr,"%s:%d:\n\tnumcomps %u not handled. Quitting.\n",
__FILE__,__LINE__,dst->numcomps);
return;
}
buf = (int*)image->icc_profile_buf;
enumcs = buf[0];
ok = 0;
if(enumcs == 14) // CIELab
{
int *row, *red, *green, *blue;;
cmsHTRANSFORM transform;
cmsHPROFILE in, out;
int *L, *a, *b;
double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2;
double minL, maxL, mina, maxa, minb, maxb;
unsigned int default_type;
unsigned int i, max;
cmsUInt16Number RGB[3];
cmsCIELab Lab;
row = (int*)image->icc_profile_buf;
in = cmsCreateLab4Profile(NULL);
out = cmsCreate_sRGBProfile();
transform =
cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16,
INTENT_PERCEPTUAL, 0);
#ifdef OPJ_HAVE_LIBLCMS2
cmsCloseProfile(in);
cmsCloseProfile(out);
#endif
if(transform == NULL)
{
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in);
cmsCloseProfile(out);
#endif
return;
}
max = image->comps[0].w * image->comps[0].h;
red = (int*)malloc(max * sizeof(int));
green = (int*)malloc(max * sizeof(int));
blue = (int*)malloc(max * sizeof(int));
if(red == NULL || green == NULL || blue == NULL)
{
goto fails;
}
dst->red = red;
dst->green = green;
dst->blue = blue;
prec0 = (double)image->comps[0].prec;
prec1 = (double)image->comps[1].prec;
prec2 = (double)image->comps[2].prec;
default_type = row[1];
if(default_type == 0x44454600)// DEF : default
{
rl = 100; ra = 170; rb = 200;
ol = 0;
oa = pow(2, prec1 - 1);
ob = pow(2, prec2 - 2) + pow(2, prec2 - 3);
}
else
{
rl = (double)row[2]; ra = (double)row[4]; rb = (double)row[6];
ol = (double)row[3]; oa = (double)row[5]; ob = (double)row[7];
}
L = image->comps[0].data;
a = image->comps[1].data;
b = image->comps[2].data;
minL = -(rl * ol)/(pow(2, prec0)-1);
maxL = minL + rl;
mina = -(ra * oa)/(pow(2, prec1)-1);
maxa = mina + ra;
minb = -(rb * ob)/(pow(2, prec2)-1);
maxb = minb + rb;
for(i = 0; i < max; ++i)
{
Lab.L = minL + (double)(*L) * (maxL - minL)/(pow(2, prec0)-1); ++L;
Lab.a = mina + (double)(*a) * (maxa - mina)/(pow(2, prec1)-1); ++a;
Lab.b = minb + (double)(*b) * (maxb - minb)/(pow(2, prec2)-1); ++b;
cmsDoTransform(transform, &Lab, RGB, 1);
*red++ = RGB[0];
*green++ = RGB[1];
*blue++ = RGB[2];
}
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3;
dst->color_space = OPJ_CLRSPC_SRGB;
dst->prec[0] = 16;
dst->prec[1] = 16;
dst->prec[2] = 16;
dst->alpha = NULL;
dst->has_alpha = 0;
image->color_space = OPJ_CLRSPC_SRGB;
image->comps[0].prec = 16;
image->comps[1].prec = 16;
image->comps[2].prec = 16;
ok = 1;
fails:
cmsDeleteTransform(transform);
#ifdef OPJ_HAVE_LIBLCMS1
cmsCloseProfile(in);
cmsCloseProfile(out);
#endif
if(ok) return;
if(red) free(red);
if(green) free(green);
}
}// COLOR_cielab_to_rgb()
#endif // OPJ_HAVE_LIBLCMS2 || OPJ_HAVE_LIBLCMS1
void COLOR_cmyk_to_rgb(opj_image_t *image, ImageInfo *dst)
{
int *R, *G, *B;
int *sc, *sm, *sy, *sk;
float C, M, Y, K;
unsigned int w, h, max, prec, len, i;
prec = image->comps[0].prec;
if(prec != 8) return;
if(image->numcomps != 4) return;
w = image->comps[0].w;
h = image->comps[0].h;
max = w * h;
len = max * sizeof(int);
R = (int*)malloc(len);
G = (int*)malloc(len);
B = (int*)malloc(len);
if(R == NULL || G == NULL || B == NULL)
{
goto fails;
}
dst->red = R;
dst->green = G;
dst->blue = B;
sc = image->comps[0].data;
sm = image->comps[1].data;
sy = image->comps[2].data;
sk = image->comps[3].data;
for(i = 0; i < max; ++i)
{
// CMYK and CMY values from 0 to 1
//
C = (float)(*sc++)/(float)255.;
M = (float)(*sm++)/(float)255;
Y = (float)(*sy++)/(float)255;
K = (float)(*sk++)/(float)255;
// CMYK -> CMY
//
C = ( C * ( (float)1. - K ) + K );
M = ( M * ( (float)1. - K ) + K );
Y = ( Y * ( (float)1. - K ) + K );
// CMY -> RGB : RGB results from 0 to 255
//
*R++ = (int)(unsigned char)(( (float)1. - C ) * (float)255.);
*G++ = (int)(unsigned char)(( (float)1. - M ) * (float)255.);
*B++ = (int)(unsigned char)(( (float)1. - Y ) * (float)255.);
}
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3;
dst->color_space = OPJ_CLRSPC_SRGB;
image->color_space = OPJ_CLRSPC_SRGB;
return;
fails:
if(R) free(R);
if(G) free(G);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n", __LINE__);
}// COLOR_cmyk_to_rgb()
//
// This code has been adopted from sjpx_openjpeg.c of ghostscript
//
void COLOR_esycc_to_rgb(opj_image_t *image, ImageInfo *dst)
{
int *s0, *s1, *s2;
int *r, *g, *b;
int y, cb, cr, sign1, sign2, val;
unsigned int w, h, max, i;
int flip_value = (1 << (image->comps[0].prec-1));
int max_value = (1 << image->comps[0].prec) - 1;
if(dst->numcomps != 3)
{
unsigned int i;
fprintf(stderr,"color.cxx:%d: COLOR_esycc_to_rgb\n\tCAN NOT CONVERT "
"%d components.\n", __LINE__,dst->numcomps);
for(i = 0; i < dst->numcomps; ++i)
{
fprintf(stderr,"\t[%u] DX(%d) DY(%d)\n",i,
image->comps[i].dx, image->comps[i].dy);
}
return;
}
if(image->comps[0].dx != image->comps[1].dx
|| image->comps[0].dx != image->comps[2].dx
|| image->comps[0].dy != image->comps[1].dy
|| image->comps[0].dy != image->comps[2].dy)
{
fprintf(stderr,"color.cxx:%d: COLOR_esycc_to_rgb\n\tCAN NOT CONVERT "
"DX(%d,%d,%d) DY(%d,%d,%d)\n",__LINE__,
image->comps[0].dx,image->comps[1].dx,image->comps[2].dx,
image->comps[0].dy,image->comps[1].dy,image->comps[2].dy);
return;
}
w = image->comps[0].w;
h = image->comps[0].h;
max = w * h;
r = (int*)malloc(max * sizeof(int));
g = (int*)malloc(max * sizeof(int));
b = (int*)malloc(max * sizeof(int));
if(r == NULL || g == NULL || b == NULL)
{
goto fails;
}
dst->red = r;
dst->green = g;
dst->blue = b;
s0 = image->comps[0].data;
s1 = image->comps[1].data;
s2 = image->comps[2].data;
sign1 = image->comps[1].sgnd;
sign2 = image->comps[2].sgnd;
for(i = 0; i < max; ++i)
{
y = *s0++; cb = *s1++; cr = *s2++;
if( !sign1) cb -= flip_value;
if( !sign2) cr -= flip_value;
val = (int)
((float)y - (float)0.0000368 * (float)cb
+ (float)1.40199 * (float)cr + (float)0.5);
if(val > max_value) val = max_value; else if(val < 0) val = 0;
*r++ = val;
val = (int)
((float)1.0003 * (float)y - (float)0.344125 * (float)cb
- (float)0.7141128 * (float)cr + (float)0.5);
if(val > max_value) val = max_value; else if(val < 0) val = 0;
*g++ = val;
val = (int)
((float)0.999823 * (float)y + (float)1.77204 * (float)cb
- (float)0.000008 *(float)cr + (float)0.5);
if(val > max_value) val = max_value; else if(val < 0) val = 0;
*b++ = val;
}
dst->free_red = 1;
dst->free_green = 1;
dst->free_blue = 1;
dst->numcomps = 3;
dst->color_space = OPJ_CLRSPC_SRGB;
image->color_space = OPJ_CLRSPC_SRGB;
return;
fails:
if(r) free(r);
if(g) free(g);
fprintf(stderr,"color.cxx:%d:\n\tmemory out\n", __LINE__);
}// COLOR_esycc_to_rgb()
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif